Step
Questions / actions
Yes
No
11
Replace the controller board ( p.44
"Controller Board Removal").
Did this fix the problem?
Problem solved.
Contact second-level
support.
Black or Blank Page Copy Service Check
Step
Questions / actions
Yes
No
1
Print a menu page, or a page from the
host. Is the page black?
See “Black page” in
“Troubleshooting”.
Go to step 2.
2
Is the copy an ADF scan?
Go to step 4.
Go to step 3.
3
Run a flat bed copy.
Is it blank or black?
Go to step 5
Go to step 4
4
Did the sheet feed into the ADF?
Go to step 6.
Go to step 5.
5
Is the CCD ribbon cable properly
connected to J30 on the controller
board?
Go to step 6.
Properly connect the
ribbon cable to J30.
6
Check for +14VDC on Pin 3 and 4 on
connector J30. Pin 4 is +5VDC. Are the
voltages present?
Replace the flatbed
unit.
See “Flatbed
removal” in
“Replacement and
Adjustment”.
Replace the controller
board ( p.44
"Controller Board
Removal").
CCD Service Check
Step
Questions / actions
Yes
No
1
Restart the device, and retry the scan /
copy job. Repeat this step with a few
copy jobs.
Does the error return?
Go to step 2.
No issue.
Service Checks
267
6
Summary of Contents for LI-MF1 M126
Page 1: ...Model LI MF1 Machine Codes M126 M127 M128 Field Service Manual 26 August 2011 ...
Page 2: ......
Page 3: ...Safety Notices The following laser notice labels may be attached to this machine 1 ...
Page 4: ...2 ...
Page 5: ...3 ...
Page 6: ...4 ...
Page 7: ...5 ...
Page 8: ...6 ...
Page 9: ...7 ...
Page 10: ...8 ...
Page 17: ...XPS XML Paper Specification 15 ...
Page 29: ...M Auto compensator Overview 27 1 ...
Page 30: ...Main Boards Controller Board 1 Product Information 28 1 ...
Page 37: ...2 Installation Installation Refer to the User s Guide 35 2 ...
Page 38: ...2 Installation 36 2 ...
Page 51: ...2 Remove the three screws B securing the top of the controller shield Removal Procedures 49 4 ...
Page 59: ...6 Remove the screw D from the gear E 7 Remove the plastic bushing F Removal Procedures 57 4 ...
Page 142: ...4 Replacement and Adjustment 140 4 ...
Page 192: ...5 System Maintenance 190 5 ...
Page 198: ...Symptom Action Fax reception fails p 276 Fax Reception Service Check 6 Troubleshooting 196 6 ...
Page 298: ...6 Troubleshooting 296 6 ...
Page 302: ...7 Energy Saving 300 7 ...
Page 303: ...Model LI MF1 Machine Codes M126 M127 M128 Appendices 12 October 2011 ...
Page 304: ......
Page 306: ...2 ...
Page 322: ...1 Appendix Specifications 18 1 ...
Page 324: ...MEMO 20 EN ...